Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Concord, Buchanan Field (KCCR)

Lat: 37.99167°NLon: 122.05194°WElev: 23.0ft.

Clear

83°F

28°C

Humidity 34%
Wind Speed W 10 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 21 Mar 02:53 PM PDT
Extended Forecast for

4 Miles E Hercules CA

  • Tonight

    Tonight: Mostly clear, with a low around 51. West wind 6 to 14 mph, with gusts as high as 21 mph.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76. West southwest wind 6 to 10 mph.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51. Southwest wind around 11 mph.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 75. Southwest wind 8 to 11 mph.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. West southwest wind 9 to 13 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 51. West wind 6 to 14 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 76. West southwest wind 6 to 10 mph.
Sunday Night
Mostly clear, with a low around 51. Southwest wind around 11 mph.
Monday
Sunny, with a high near 75. Southwest wind 8 to 11 mph.
Monday Night
Mostly clear, with a low around 52. West southwest wind 9 to 13 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Mostly cloudy, with a low around 51.
Friday
Partly sunny, with a high near 76.
Friday Night
Mostly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Hercules CA
 38.01°N 122.18°W (Elev. 597 ft)
2:07 pm PDT Mar 21, 2026
3pm PDT Mar 21, 2026-6pm PDT Mar 28, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database